THE reference for power system transients

Is there any spectrum analyzer tool?

  • This topic has 6 replies, 1 voice, and was last updated 1 year ago by henry.
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  • 31 July 2025 at 8h59 #6589
    henry
    Keymaster

    Hi, I am working on FACTS controller and I need to measure spectral cotent of current/voltage signal. I have tried matlab but coulnd’t achieve satisfactory result. I guess it is due to the simulation time step emtp use for transients is different than Main Time Step we supplied on simulation option. Is there any spectrum analyzer tool? Thanks

    31 July 2025 at 9h00 #6591
    henry
    Keymaster

    You can use the fx (Function Editor) option is the Signal page of ScopeView. Many Spectral/Harmonic analysis functions are available.

    31 July 2025 at 9h00 #6592
    henry
    Keymaster

    Thanks a lot. I was not aware of function editor feature. My problem has been almost solved. I need to do spectral analysis of certain part of signal only(like 20 cycle after fault etc). Can I do it right away from scopeview?

    • This reply was modified 1 year ago by henry.
    31 July 2025 at 9h01 #6594
    henry
    Keymaster

    Yes you can use the ‘limit’ function in the Miscellaneous library to define left and right bondaries of your signal.

    31 July 2025 at 9h01 #6595
    henry
    Keymaster

    I couldn’t find Miscellaneous Library in EMTPWorks & ScopeView. Could you please tell me where is that?. I am using version 2.0.2

    31 July 2025 at 9h02 #6596
    henry
    Keymaster

    This is in ScopeView Function Editor under Micellaneous.

    In the Signal page click on Fx and then under Category choose Micellaneous and limit.

    31 July 2025 at 9h02 #6597
    henry
    Keymaster

    Thank you very much. I got the point. My problem has been solved.

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